4b1b9d7a83
Freeze first sets the file perms, and then runs freezecontent-command. Thaw runs thawcontent-command before restoring file permissions. This is in case the freeze command prevents changing file perms, as eg setting a file immutable does. Also, changing file perms tends to mess up previously set ACLs. git-annex init's probe for crippled filesystem uses them, so if file perms don't work, but freezecontent-command manages to prevent write to a file, it won't treat the filesystem as crippled. When the the filesystem has been probed as crippled, the hooks are not used, because there seems to be no point then; git-annex won't be relying on locking annex objects down. Also, this avoids them being run when the file perms have not been changed, in case they somehow rely on git-annex's setting of the file perms in order to work. Sponsored-by: Dartmouth College's Datalad project
479 lines
18 KiB
Haskell
479 lines
18 KiB
Haskell
{- git-annex configuration
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-
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- Copyright 2012-2021 Joey Hess <id@joeyh.name>
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-
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- Licensed under the GNU AGPL version 3 or higher.
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-}
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{-# LANGUAGE TypeSynonymInstances, FlexibleInstances #-}
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{-# LANGUAGE OverloadedStrings #-}
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module Types.GitConfig (
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GlobalConfigurable(..),
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ConfigSource(..),
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GitConfig(..),
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extractGitConfig,
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mergeGitConfig,
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globalConfigs,
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RemoteGitConfig(..),
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extractRemoteGitConfig,
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dummyRemoteGitConfig,
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annexConfig,
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RemoteNameable(..),
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remoteAnnexConfig,
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remoteConfig,
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) where
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import Common
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import qualified Git
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import qualified Git.Config
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import qualified Git.Construct
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import Git.Types
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import Git.ConfigTypes
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import Git.Remote (isRemoteKey, remoteKeyToRemoteName)
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import Git.Branch (CommitMode(..))
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import Utility.DataUnits
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import Config.Cost
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import Types.UUID
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import Types.Distribution
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import Types.Availability
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import Types.Concurrency
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import Types.NumCopies
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import Types.Difference
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import Types.RefSpec
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import Types.RepoVersion
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import Types.StallDetection
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import Config.DynamicConfig
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import Utility.HumanTime
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import Utility.Gpg (GpgCmd, mkGpgCmd)
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import Utility.ThreadScheduler (Seconds(..))
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import Utility.Url (Scheme, mkScheme)
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import Control.Concurrent.STM
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import qualified Data.Set as S
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import qualified Data.Map as M
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import qualified Data.ByteString as B
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-- | A configurable value, that may not be fully determined yet because
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-- the global git config has not yet been loaded.
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data GlobalConfigurable a
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= HasGitConfig a
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-- ^ The git config has a value.
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| HasGlobalConfig a
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-- ^ The global config has a value (and the git config does not).
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| DefaultConfig a
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-- ^ A default value is known, but not all config sources
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-- have been read yet.
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deriving (Show)
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data ConfigSource = FromGitConfig | FromGlobalConfig
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{- Main git-annex settings. Each setting corresponds to a git-config key
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- such as annex.foo -}
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data GitConfig = GitConfig
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{ annexVersion :: Maybe RepoVersion
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, annexUUID :: UUID
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, annexNumCopies :: Maybe NumCopies
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, annexDiskReserve :: Integer
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, annexDirect :: Bool
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, annexBackend :: Maybe String
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, annexQueueSize :: Maybe Int
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, annexBloomCapacity :: Maybe Int
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, annexBloomAccuracy :: Maybe Int
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, annexSshCaching :: Maybe Bool
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, annexAlwaysCommit :: Bool
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, annexCommitMessage :: Maybe String
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, annexMergeAnnexBranches :: Bool
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, annexDelayAdd :: Maybe Int
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, annexHttpHeaders :: [String]
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, annexHttpHeadersCommand :: Maybe String
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, annexAutoCommit :: GlobalConfigurable Bool
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, annexResolveMerge :: GlobalConfigurable Bool
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, annexSyncContent :: GlobalConfigurable Bool
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, annexSyncOnlyAnnex :: GlobalConfigurable Bool
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, annexDebug :: Bool
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, annexDebugFilter :: Maybe String
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, annexWebOptions :: [String]
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, annexYoutubeDlOptions :: [String]
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, annexAriaTorrentOptions :: [String]
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, annexCrippledFileSystem :: Bool
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, annexLargeFiles :: GlobalConfigurable (Maybe String)
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, annexDotFiles :: GlobalConfigurable Bool
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, annexGitAddToAnnex :: Bool
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, annexAddSmallFiles :: Bool
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, annexFsckNudge :: Bool
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, annexAutoUpgrade :: AutoUpgrade
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, annexExpireUnused :: Maybe (Maybe Duration)
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, annexFreezeContentCommand :: Maybe String
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, annexThawContentCommand :: Maybe String
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, annexSecureEraseCommand :: Maybe String
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, annexGenMetaData :: Bool
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, annexListen :: Maybe String
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, annexStartupScan :: Bool
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, annexHardLink :: Bool
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, annexThin :: Bool
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, annexDifferences :: Differences
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, annexUsedRefSpec :: Maybe RefSpec
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, annexVerify :: Bool
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, annexPidLock :: Bool
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, annexPidLockTimeout :: Seconds
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, annexAddUnlocked :: GlobalConfigurable (Maybe String)
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, annexSecureHashesOnly :: Bool
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, annexRetry :: Maybe Integer
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, annexForwardRetry :: Maybe Integer
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, annexRetryDelay :: Maybe Seconds
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, annexStallDetection :: Maybe StallDetection
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, annexAllowedUrlSchemes :: S.Set Scheme
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, annexAllowedIPAddresses :: String
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, annexAllowUnverifiedDownloads :: Bool
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, annexMaxExtensionLength :: Maybe Int
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, annexJobs :: Concurrency
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, annexCacheCreds :: Bool
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, annexAutoUpgradeRepository :: Bool
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, annexCommitMode :: CommitMode
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, annexSkipUnknown :: Bool
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, annexAdjustedBranchRefresh :: Integer
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, annexSupportUnlocked :: Bool
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, coreSymlinks :: Bool
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, coreSharedRepository :: SharedRepository
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, receiveDenyCurrentBranch :: DenyCurrentBranch
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, gcryptId :: Maybe String
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, gpgCmd :: GpgCmd
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, mergeDirectoryRenames :: Maybe String
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, annexPrivateRepos :: S.Set UUID
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, annexAdviceNoSshCaching :: Bool
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}
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extractGitConfig :: ConfigSource -> Git.Repo -> GitConfig
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extractGitConfig configsource r = GitConfig
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{ annexVersion = RepoVersion <$> getmayberead (annexConfig "version")
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, annexUUID = hereuuid
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, annexNumCopies = NumCopies <$> getmayberead (annexConfig "numcopies")
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, annexDiskReserve = fromMaybe onemegabyte $
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readSize dataUnits =<< getmaybe (annexConfig "diskreserve")
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, annexDirect = getbool (annexConfig "direct") False
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, annexBackend = maybe
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-- annex.backends is the old name of the option, still used
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-- when annex.backend is not set.
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(headMaybe $ getwords (annexConfig "backends"))
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Just
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(getmaybe (annexConfig "backend"))
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, annexQueueSize = getmayberead (annexConfig "queuesize")
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, annexBloomCapacity = getmayberead (annexConfig "bloomcapacity")
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, annexBloomAccuracy = getmayberead (annexConfig "bloomaccuracy")
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, annexSshCaching = getmaybebool (annexConfig "sshcaching")
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, annexAlwaysCommit = getbool (annexConfig "alwayscommit") True
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, annexCommitMessage = getmaybe (annexConfig "commitmessage")
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, annexMergeAnnexBranches = getbool (annexConfig "merge-annex-branches") True
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, annexDelayAdd = getmayberead (annexConfig "delayadd")
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, annexHttpHeaders = getlist (annexConfig "http-headers")
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, annexHttpHeadersCommand = getmaybe (annexConfig "http-headers-command")
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, annexAutoCommit = configurable True $
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getmaybebool (annexConfig "autocommit")
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, annexResolveMerge = configurable True $
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getmaybebool (annexConfig "resolvemerge")
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, annexSyncContent = configurable False $
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getmaybebool (annexConfig "synccontent")
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, annexSyncOnlyAnnex = configurable False $
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getmaybebool (annexConfig "synconlyannex")
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, annexDebug = getbool (annexConfig "debug") False
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, annexDebugFilter = getmaybe (annexConfig "debugfilter")
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, annexWebOptions = getwords (annexConfig "web-options")
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, annexYoutubeDlOptions = getwords (annexConfig "youtube-dl-options")
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, annexAriaTorrentOptions = getwords (annexConfig "aria-torrent-options")
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, annexCrippledFileSystem = getbool (annexConfig "crippledfilesystem") False
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, annexLargeFiles = configurable Nothing $
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fmap Just $ getmaybe (annexConfig "largefiles")
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, annexDotFiles = configurable False $
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getmaybebool (annexConfig "dotfiles")
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, annexGitAddToAnnex = getbool (annexConfig "gitaddtoannex") True
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, annexAddSmallFiles = getbool (annexConfig "addsmallfiles") True
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, annexFsckNudge = getbool (annexConfig "fscknudge") True
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, annexAutoUpgrade = toAutoUpgrade $
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getmaybe (annexConfig "autoupgrade")
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, annexExpireUnused = either (const Nothing) Just . parseDuration
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<$> getmaybe (annexConfig "expireunused")
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, annexFreezeContentCommand = getmaybe (annexConfig "freezecontent-command")
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, annexThawContentCommand = getmaybe (annexConfig "thawcontent-command")
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, annexSecureEraseCommand = getmaybe (annexConfig "secure-erase-command")
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, annexGenMetaData = getbool (annexConfig "genmetadata") False
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, annexListen = getmaybe (annexConfig "listen")
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, annexStartupScan = getbool (annexConfig "startupscan") True
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, annexHardLink = getbool (annexConfig "hardlink") False
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, annexThin = getbool (annexConfig "thin") False
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, annexDifferences = getDifferences r
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, annexUsedRefSpec = either (const Nothing) Just . parseRefSpec
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=<< getmaybe (annexConfig "used-refspec")
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, annexVerify = getbool (annexConfig "verify") True
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, annexPidLock = getbool (annexConfig "pidlock") False
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, annexPidLockTimeout = Seconds $ fromMaybe 300 $
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getmayberead (annexConfig "pidlocktimeout")
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, annexAddUnlocked = configurable Nothing $
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fmap Just $ getmaybe (annexConfig "addunlocked")
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, annexSecureHashesOnly = getbool (annexConfig "securehashesonly") False
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, annexRetry = getmayberead (annexConfig "retry")
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, annexForwardRetry = getmayberead (annexConfig "forward-retry")
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, annexRetryDelay = Seconds
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<$> getmayberead (annexConfig "retrydelay")
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, annexStallDetection =
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either (const Nothing) id . parseStallDetection
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=<< getmaybe (annexConfig "stalldetection")
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, annexAllowedUrlSchemes = S.fromList $ map mkScheme $
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maybe ["http", "https", "ftp"] words $
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getmaybe (annexConfig "security.allowed-url-schemes")
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, annexAllowedIPAddresses = fromMaybe "" $
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getmaybe (annexConfig "security.allowed-ip-addresses")
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<|>
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getmaybe (annexConfig "security.allowed-http-addresses") -- old name
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, annexAllowUnverifiedDownloads = (== Just "ACKTHPPT") $
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getmaybe (annexConfig "security.allow-unverified-downloads")
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, annexMaxExtensionLength = getmayberead (annexConfig "maxextensionlength")
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, annexJobs = fromMaybe NonConcurrent $
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parseConcurrency =<< getmaybe (annexConfig "jobs")
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, annexCacheCreds = getbool (annexConfig "cachecreds") True
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, annexAutoUpgradeRepository = getbool (annexConfig "autoupgraderepository") True
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, annexCommitMode = if getbool (annexConfig "allowsign") False
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then ManualCommit
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else AutomaticCommit
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, annexSkipUnknown = getbool (annexConfig "skipunknown") True
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, annexAdjustedBranchRefresh = fromMaybe
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-- parse as bool if it's not a number
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(if getbool "adjustedbranchrefresh" False then 1 else 0)
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(getmayberead (annexConfig "adjustedbranchrefresh"))
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, annexSupportUnlocked = getbool (annexConfig "supportunlocked") True
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, coreSymlinks = getbool "core.symlinks" True
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, coreSharedRepository = getSharedRepository r
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, receiveDenyCurrentBranch = getDenyCurrentBranch r
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, gcryptId = getmaybe "core.gcrypt-id"
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, gpgCmd = mkGpgCmd (getmaybe "gpg.program")
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, mergeDirectoryRenames = getmaybe "directoryrenames"
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, annexPrivateRepos = S.fromList $ concat
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[ if getbool (annexConfig "private") False
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then [hereuuid]
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else []
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, let get (k, v)
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| Git.Config.isTrueFalse' v /= Just True = Nothing
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| isRemoteKey (remoteAnnexConfigEnd "private") k = do
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remotename <- remoteKeyToRemoteName k
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toUUID <$> Git.Config.getMaybe
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(remoteAnnexConfig remotename "uuid") r
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| otherwise = Nothing
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in mapMaybe get (M.toList (Git.config r))
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]
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, annexAdviceNoSshCaching = getbool (annexConfig "adviceNoSshCaching") True
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}
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where
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getbool k d = fromMaybe d $ getmaybebool k
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getmaybebool k = Git.Config.isTrueFalse' =<< getmaybe' k
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getmayberead k = readish =<< getmaybe k
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getmaybe = fmap fromConfigValue . getmaybe'
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getmaybe' k = Git.Config.getMaybe k r
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getlist k = map fromConfigValue $ Git.Config.getList k r
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getwords k = fromMaybe [] $ words <$> getmaybe k
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configurable d Nothing = DefaultConfig d
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configurable _ (Just v) = case configsource of
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FromGitConfig -> HasGitConfig v
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FromGlobalConfig -> HasGlobalConfig v
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onemegabyte = 1000000
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hereuuid = maybe NoUUID toUUID $ getmaybe (annexConfig "uuid")
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{- Merge a GitConfig that comes from git-config with one containing
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- repository-global defaults. -}
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mergeGitConfig :: GitConfig -> GitConfig -> GitConfig
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mergeGitConfig gitconfig repoglobals = gitconfig
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{ annexAutoCommit = merge annexAutoCommit
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, annexSyncContent = merge annexSyncContent
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, annexSyncOnlyAnnex = merge annexSyncOnlyAnnex
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, annexResolveMerge = merge annexResolveMerge
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, annexLargeFiles = merge annexLargeFiles
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, annexDotFiles = merge annexDotFiles
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, annexAddUnlocked = merge annexAddUnlocked
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}
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where
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merge f = case f gitconfig of
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HasGitConfig v -> HasGitConfig v
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DefaultConfig d -> case f repoglobals of
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HasGlobalConfig v -> HasGlobalConfig v
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_ -> HasGitConfig d
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HasGlobalConfig v -> HasGlobalConfig v
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{- Configs that can be set repository-global. -}
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globalConfigs :: [ConfigKey]
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globalConfigs =
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[ annexConfig "largefiles"
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, annexConfig "dotfiles"
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, annexConfig "addunlocked"
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, annexConfig "autocommit"
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, annexConfig "resolvemerge"
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, annexConfig "synccontent"
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, annexConfig "synconlyannex"
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, annexConfig "securehashesonly"
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]
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{- Per-remote git-annex settings. Each setting corresponds to a git-config
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- key such as <remote>.annex-foo, or if that is not set, a default from
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- annex.foo.
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-
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- Note that this is from the perspective of the local repository,
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- it is not influenced in any way by the contents of the remote
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- repository's git config.
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-}
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data RemoteGitConfig = RemoteGitConfig
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{ remoteAnnexCost :: DynamicConfig (Maybe Cost)
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, remoteAnnexIgnore :: DynamicConfig Bool
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, remoteAnnexSync :: DynamicConfig Bool
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, remoteAnnexPull :: Bool
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, remoteAnnexPush :: Bool
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, remoteAnnexReadOnly :: Bool
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, remoteAnnexVerify :: Bool
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, remoteAnnexCheckUUID :: Bool
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, remoteAnnexTrackingBranch :: Maybe Git.Ref
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, remoteAnnexTrustLevel :: Maybe String
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, remoteAnnexStartCommand :: Maybe String
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, remoteAnnexStopCommand :: Maybe String
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, remoteAnnexAvailability :: Maybe Availability
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, remoteAnnexSpeculatePresent :: Bool
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, remoteAnnexBare :: Maybe Bool
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, remoteAnnexRetry :: Maybe Integer
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, remoteAnnexForwardRetry :: Maybe Integer
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, remoteAnnexRetryDelay :: Maybe Seconds
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, remoteAnnexStallDetection :: Maybe StallDetection
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, remoteAnnexAllowUnverifiedDownloads :: Bool
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, remoteAnnexConfigUUID :: Maybe UUID
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{- These settings are specific to particular types of remotes
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- including special remotes. -}
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, remoteAnnexShell :: Maybe String
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, remoteAnnexSshOptions :: [String]
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, remoteAnnexRsyncOptions :: [String]
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, remoteAnnexRsyncUploadOptions :: [String]
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, remoteAnnexRsyncDownloadOptions :: [String]
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, remoteAnnexRsyncTransport :: [String]
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, remoteAnnexGnupgOptions :: [String]
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, remoteAnnexGnupgDecryptOptions :: [String]
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, remoteAnnexRsyncUrl :: Maybe String
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, remoteAnnexBupRepo :: Maybe String
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, remoteAnnexBorgRepo :: Maybe String
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, remoteAnnexTahoe :: Maybe FilePath
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, remoteAnnexBupSplitOptions :: [String]
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, remoteAnnexDirectory :: Maybe FilePath
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, remoteAnnexAndroidDirectory :: Maybe FilePath
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, remoteAnnexAndroidSerial :: Maybe String
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, remoteAnnexGCrypt :: Maybe String
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, remoteAnnexGitLFS :: Bool
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, remoteAnnexDdarRepo :: Maybe String
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, remoteAnnexHookType :: Maybe String
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, remoteAnnexExternalType :: Maybe String
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}
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{- The Git.Repo is the local repository, which has the remote with the
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- given RemoteName. -}
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extractRemoteGitConfig :: Git.Repo -> RemoteName -> STM RemoteGitConfig
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extractRemoteGitConfig r remotename = do
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annexcost <- mkDynamicConfig readCommandRunner
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(notempty $ getmaybe "cost-command")
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(getmayberead "cost")
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annexignore <- mkDynamicConfig unsuccessfullCommandRunner
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(notempty $ getmaybe "ignore-command")
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(getbool "ignore" False)
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annexsync <- mkDynamicConfig successfullCommandRunner
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(notempty $ getmaybe "sync-command")
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(getbool "sync" True)
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return $ RemoteGitConfig
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{ remoteAnnexCost = annexcost
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, remoteAnnexIgnore = annexignore
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, remoteAnnexSync = annexsync
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, remoteAnnexPull = getbool "pull" True
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, remoteAnnexPush = getbool "push" True
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, remoteAnnexReadOnly = getbool "readonly" False
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, remoteAnnexCheckUUID = getbool "checkuuid" True
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, remoteAnnexVerify = getbool "verify" True
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, remoteAnnexTrackingBranch = Git.Ref . encodeBS <$>
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( notempty (getmaybe "tracking-branch")
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<|> notempty (getmaybe "export-tracking") -- old name
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)
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, remoteAnnexTrustLevel = notempty $ getmaybe "trustlevel"
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, remoteAnnexStartCommand = notempty $ getmaybe "start-command"
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, remoteAnnexStopCommand = notempty $ getmaybe "stop-command"
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, remoteAnnexAvailability = getmayberead "availability"
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, remoteAnnexSpeculatePresent = getbool "speculate-present" False
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, remoteAnnexBare = getmaybebool "bare"
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, remoteAnnexRetry = getmayberead "retry"
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, remoteAnnexForwardRetry = getmayberead "forward-retry"
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, remoteAnnexRetryDelay = Seconds
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<$> getmayberead "retrydelay"
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, remoteAnnexStallDetection =
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either (const Nothing) id . parseStallDetection
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=<< getmaybe "stalldetection"
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, remoteAnnexAllowUnverifiedDownloads = (== Just "ACKTHPPT") $
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getmaybe ("security-allow-unverified-downloads")
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, remoteAnnexConfigUUID = toUUID <$> getmaybe "config-uuid"
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, remoteAnnexShell = getmaybe "shell"
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, remoteAnnexSshOptions = getoptions "ssh-options"
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, remoteAnnexRsyncOptions = getoptions "rsync-options"
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, remoteAnnexRsyncDownloadOptions = getoptions "rsync-download-options"
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, remoteAnnexRsyncUploadOptions = getoptions "rsync-upload-options"
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, remoteAnnexRsyncTransport = getoptions "rsync-transport"
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, remoteAnnexGnupgOptions = getoptions "gnupg-options"
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, remoteAnnexGnupgDecryptOptions = getoptions "gnupg-decrypt-options"
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, remoteAnnexRsyncUrl = notempty $ getmaybe "rsyncurl"
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, remoteAnnexBupRepo = getmaybe "buprepo"
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, remoteAnnexBorgRepo = getmaybe "borgrepo"
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, remoteAnnexTahoe = getmaybe "tahoe"
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, remoteAnnexBupSplitOptions = getoptions "bup-split-options"
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, remoteAnnexDirectory = notempty $ getmaybe "directory"
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, remoteAnnexAndroidDirectory = notempty $ getmaybe "androiddirectory"
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, remoteAnnexAndroidSerial = notempty $ getmaybe "androidserial"
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, remoteAnnexGCrypt = notempty $ getmaybe "gcrypt"
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, remoteAnnexGitLFS = getbool "git-lfs" False
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, remoteAnnexDdarRepo = getmaybe "ddarrepo"
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, remoteAnnexHookType = notempty $ getmaybe "hooktype"
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, remoteAnnexExternalType = notempty $ getmaybe "externaltype"
|
|
}
|
|
where
|
|
getbool k d = fromMaybe d $ getmaybebool k
|
|
getmaybebool k = Git.Config.isTrueFalse' =<< getmaybe' k
|
|
getmayberead k = readish =<< getmaybe k
|
|
getmaybe = fmap fromConfigValue . getmaybe'
|
|
getmaybe' k = mplus (Git.Config.getMaybe (annexConfig k) r)
|
|
(Git.Config.getMaybe (remoteAnnexConfig remotename k) r)
|
|
getoptions k = fromMaybe [] $ words <$> getmaybe k
|
|
|
|
notempty :: Maybe String -> Maybe String
|
|
notempty Nothing = Nothing
|
|
notempty (Just "") = Nothing
|
|
notempty (Just s) = Just s
|
|
|
|
dummyRemoteGitConfig :: IO RemoteGitConfig
|
|
dummyRemoteGitConfig = atomically $
|
|
extractRemoteGitConfig Git.Construct.fromUnknown "dummy"
|
|
|
|
type UnqualifiedConfigKey = B.ByteString
|
|
|
|
{- A global annex setting in git config. -}
|
|
annexConfig :: UnqualifiedConfigKey -> ConfigKey
|
|
annexConfig key = ConfigKey ("annex." <> key)
|
|
|
|
class RemoteNameable r where
|
|
getRemoteName :: r -> RemoteName
|
|
|
|
instance RemoteNameable Git.Repo where
|
|
getRemoteName r = fromMaybe "" (Git.remoteName r)
|
|
|
|
instance RemoteNameable RemoteName where
|
|
getRemoteName = id
|
|
|
|
{- A per-remote annex setting in git config. -}
|
|
remoteAnnexConfig :: RemoteNameable r => r -> UnqualifiedConfigKey -> ConfigKey
|
|
remoteAnnexConfig r = remoteConfig r . remoteAnnexConfigEnd
|
|
|
|
remoteAnnexConfigEnd :: UnqualifiedConfigKey -> UnqualifiedConfigKey
|
|
remoteAnnexConfigEnd key = "annex-" <> key
|
|
|
|
{- A per-remote setting in git config. -}
|
|
remoteConfig :: RemoteNameable r => r -> UnqualifiedConfigKey -> ConfigKey
|
|
remoteConfig r key = ConfigKey $
|
|
"remote." <> encodeBS' (getRemoteName r) <> "." <> key
|